A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5835-01-118-4690
NSN 6145-01-268-1939
NSN 5996-00-949-8885
NSN 5925-01-085-5767
NSN 6320-00-382-7825
NSN 6130-00-810-8287
NSN 6220-01-423-0209
NSN 5990-01-257-2078
NSN 5835-01-481-4204
NSN 6320-00-228-5678
NSN 6650-01-500-4549
NSN 5996-00-495-3086